<template>
  <div class="order_page">
    <head-top head-title="订单列表" go-back="true"></head-top>
    <ul class="order_list_ul" v-load-more="loaderMore">
      <li class="order_list_li" v-for="item in orderList" :key="item.id">
        <img :src="item.restaurant_image_url" class="restaurant_image" />
        <section class="order_item_right">
          <section @click="showDetail(item)">
            <header class="order_item_right_header">
              <section class="order_header">
                <h4>
                  <span class="ellipsis">{{ item.restaurant_name }}</span>
                  <svg fill="#333" class="arrow_right">
                    <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#arrow-right" />
                  </svg>
                </h4>
                <p class="order_status">{{ item.formatted_created_at }}</p>
              </section>
              <p class="order_status">{{ item.status_bar.title}}</p>
            </header>
            <section class="order_basket">
              <p
                class="order_name ellipsis"
              >{{item.basket.group[0][0].name}}{{item.basket.group.length > 1 ? '等' + item.basket.group[0].length + '件商品': ''}}</p>
              <p class="order_amount">￥{{item.total_amount.toFixed(2)}}</p>
            </section>
          </section>
          <div class="order_again">
            <compute-time v-if="item.status_bar.title === '等待支付'" :time="item.formatted_created_at"></compute-time>
            <router-link
              :to="{ path: '/shop', query: { geohash, id: item.restaurant_id } }"
              tag="span"
              class="buy_again"
              v-else
            >再来一单</router-link>
          </div>
        </section>
      </li>
    </ul>
    <foot-guide></foot-guide>
    <transition name="loading">
      <loading v-show="showLoading"></loading>
    </transition>
    <transition name="router-slid" mode="out-in">
      <router-view></router-view>
    </transition>
  </div>
</template>

<script>
import { mapState, mapMutations } from 'vuex';
import headTop from '../../components/header/head';
import computeTime from '../../components/common/computeTime';
import loading from '../../components/common/loading';
import { loadMore } from '../../components/common/mixin';
import footGuide from '../../components/footer/footerGuide';
import { getOrderList } from '../../service/getData';

export default {
  data () {
    return {
      orderList: null, // 订单列表
      offset: 0,
      preventRepeat: false, // 防止重复获取
      showLoading: true // 显示加载动画
    };
  },
  mounted () {
    this.initData();
  },
  mixins: [loadMore],
  components: {
    headTop,
    footGuide,
    loading,
    computeTime
  },
  computed: {
    ...mapState(['userInfo', 'geohash'])
  },
  methods: {
    ...mapMutations(['SAVE_ORDER']),
    // 初始化获取信息
    async initData () {
      if (this.userInfo && this.userInfo.user_id) {
        let res = await getOrderList(this.userInfo.user_id, this.offset);
        this.orderList = [...res];
        this.hideLoading();
      }
    },
    // 加载更多
    async loaderMore () {
      if (this.preventRepeat) {
        return false;
      }
      this.preventRepeat = true;
      this.showLoading = true;
      this.offset += 10;
      // 获取信息
      let res = await getOrderList(this.userInfo.user_id, this.offset);
      this.hideLoading();
      if (res.length < 10) {
        return false;
      }
      this.preventRepeat = false;
    },
    // 显示详情页
    showDetail (item) {
      this.SAVE_ORDER(item);
      this.preventRepeat = false;
      this.$router.push('/order/orderDetail');
    },
    // 生产环境与发布环境隐藏loading方式不同
    hideLoading () {
      if (!process.env.NODE_ENV !== 'development') {
        clearTimeout(this.timer);
        this.timer = setTimeout(() => {
          clearTimeout(this.timer);
          this.showLoading = false;
        }, 400);
      } else {
        this.showLoading = false;
      }
    }
  },
  watch: {
    userInfo: function (value) {
      if (value && value.user_id && !this.orderList) {
        this.initData();
      }
    }
  }
};
</script>

<style lang="scss" scoped>
@import "../../style/mixin";

.order_page {
  background-color: #f1f1f1;
  padding-bottom: 1.95rem;
  p,
  span,
  h4 {
    font-family: Helvetica Neue, Tahoma, Arial;
  }
}
.order_list_ul {
  padding-top: 1.95rem;
  .order_list_li {
    background-color: #fff;
    display: flex;
    margin-bottom: 0.5rem;
    padding: 0.6rem 0.6rem 0;
    .restaurant_image {
      @include wh(2rem, 2rem);
      margin-right: 0.4rem;
    }
    .order_item_right {
      .order_item_right_header {
        border-bottom: 0.025rem solid #f5f5f5;
        padding-bottom: 0.3rem;
        @include fj;
        .order_header {
          h4 {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            @include sc(0.75rem, #333);
            line-height: 1rem;
            width: 9rem;
            .arrow_right {
              @include wh(0.4rem, 0.4rem);
              fill: #ccc;
              margin-right: 0.2rem;
            }
          }
          .order_time {
            @include sc(0.55rem, #999);
            line-height: 0.8rem;
          }
        }
        .order_status {
          @include sc(0.6rem, #333);
        }
      }
      .order_basket {
        @include fj;
        line-height: 2rem;
        border-bottom: 0.025rem solid #f5f5f5;
        .order_name {
          @include sc(0.6rem, #666);
          width: 10rem;
        }
        .order_amount {
          @include sc(0.6rem, #f60);
          font-weight: bold;
        }
      }
      .order_again {
        text-align: right;
        line-height: 1.6rem;
        .buy_again {
          @include sc(0.55rem, #3190e8);
          border: 0.025rem solid #3190e8;
          padding: 0.1rem 0.2rem;
          border-radius: 0.15rem;
        }
      }
    }
  }
}
.loading-enter-active,
.loading-leave-active{
  transition: opacity 0.7s;
}
.loading-enter,
.loading-leave-active{
  opacity: 0;
}
.router-slid-enter-active,
.router-slid-leave-active{
  transition: all 0.4s;
}
.router-slid-enter,
.router-slid-leave-active{
  transform: translate3d(2rem, 0, 0);
  opacity: 0;
}
</style>
